package chixing.day11.class1;

public class CloneDemo {
    public static void main(String[] args) throws CloneNotSupportedException {
    Book book1=new Book(101,"数据结构",99.9f);
    Object clone=book1.clone();
    Course course=new Course(701,"近代文学",3);
    Student student=new Student(801,"Alien",20,course);

    student.clone();
    }
}
